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From "Xiao-Feng Li" <xiaofeng...@gmail.com>
Subject Re: [drlvm][gc]Allocation rate test
Date Fri, 27 Oct 2006 22:45:59 GMT
Rana, this would be very useful for us to understand the GC behavior.
Thanks for this.

There is a synthesis benchmark GCold that can be also used for this
study. We were using it for a while.


On 10/28/06, Rana Dasgupta <rdasgupt@gmail.com> wrote:
> Hi,
>   I ran a simple test that allocates and discards a large number of objects
> repeatedly on multiple threads. These should all be gen zero objects( none
> survive ) that are repeatedly collected. So the test is of effective
> allocation rate( I set heap size for all the gc's to 64M and 256 M ). I
> think the test emulates a web server repeatedly creating and discarding page
> level objects with each page invocation. This is NOT a perf comparison. gcv5
> is just getting created, and comparisons are meaningless. But we can use
> tests like this to tune. I am attaching the raw test output file.
>  I submitted the test and build mods to JIRA, issue 1993. I am not sure that
> we have decided where such focussed tuning tests that take too long to be
> acceptance tests and don't really pass or fail should live. For right now, I
> created a tests directory under gc_gen.
> Thanks,
> Rana

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